Posted on March 3, 2016 by Arbor Scientific
Radiation is the transfer of thermal energy using electromangetic waves, which includes visible light, infrared radiation, ultraviolet radiation, x-rays and microwaves and radio waves. A camera flash is designed to give off a whole lot of visible light in a short amount of time. The black ink in the newspaper absorbs this radiation and increases [...]
This post was posted in CoolStuff Newsletters, Chemistry, Energy, Light & Color and was tagged with Little Shop of Physics
Posted on February 5, 2016 by Arbor Scientific
Pencil lead and some batteries make a small plasma cutter that is used to etch a pattern in aluminum foil.
In this simple but cool demo, you are able to observe how a high velocity ionized gas (plasma) conducts electricity across a small gap between the tip of the pencil lead (graphite) and a conductive solid [...]
This post was posted in CoolStuff Newsletters, Chemistry, Electricity, Energy and was tagged with plasma
Posted on March 23, 2015 by James Lincoln
Welcome to our March 2015 Issue of our CoolStuff Newsletter. This month, we are featuring a simple, safe and Cool device called an Energy Stick. Physics teacher James Lincoln demonstrates several experiments that help students understand the principles of electric current and light. James has authored many of our past CoolStuff Newsletters, and teachers have [...]
This post was posted in CoolStuff Newsletters, Electricity, Energy, Light & Color, Sound & Waves, Teacher Tools and was tagged with wavelength, electricity, voltage, human body, electric current, Energy Stick, experiments, circuit, LEDs, conductivity
Posted on January 14, 2015 by James Lincoln
10 thermal conductivity demos for less than $12
Watch Physics Teacher James Lincoln use the simple, inexpensive Liquid Crystal Sheet to visually demonstrate:
-the temperatures of varying light sources
-how styrofoam insulation works
-the wavelength of a microwave
-plus much more!
This post was posted in CoolStuff Newsletters, Energy, Sound & Waves and was tagged with heat transfer, friction, insulators, James Lincoln, Thermal conductivity, Thermocline, Liquid Crystal Sheet, Heat Experiments, Heat sensitive paper
Posted on November 5, 2014 by Dr. David Kagan
Check out how MLB can use a thermal energy camera to determine whether a hit ball is foul or live. Then watch Dr. Baseball use the more budget friendly colliding steel spheres to create some thermal energy of his own.
This post was posted in CoolStuff Newsletters, Force & Motion, Energy and was tagged with work and energy colliding steel spheres kinetic energy thermal energy energy transference
Posted on May 16, 2014 by James Lincoln
Did you know the yellow you see on your smart phone doesn't actually contain the color yellow? It's true! Watch this revealing video to see this - AND 9 more great demos that show there's more to studying light and color than meets the eye.
This post was posted in CoolStuff Newsletters, Chemistry, Energy, Light & Color, Optics, Measurement and was tagged with wavelength, refraction, frequency, reflection, Rspec-explorer, RSpec, spectroscopy, color experiments
Posted on January 17, 2014 by Dr. Brian Thomas
Watch how silly putty and simple steel spheres can be used to demonstrate the conversion of kinetic energy into thermal energy! (And you thought Silly Putty was for copying comics from the newspaper!)
This post was posted in CoolStuff Newsletters, Energy, Measurement and was tagged with energy
Posted on September 18, 2013 by James Lincoln
I have been using tuning forks in my classroom for 10 years, and in each of those years I have discovered several new tricks. I hope you can learn many of these from this publication. For a more complete treatment and my references, please see my article in “The Physics Teacher” March, 2013.
This post was posted in CoolStuff Newsletters, Energy, Lasers, Light & Color, Measurement, Sound & Waves and was tagged with tuning fork, resonance, Lissajous Figures, beats, measure the speed of sound, transmission of sound
Posted on April 3, 2013 by James Lincoln
What can you do with a plasma ball? We get this question a lot! Check out these simple, cool demos using everyday lab items like fluorescent lamps, LEDs, neon gas tubes, and even your own body! You’ll be amazed at how easy and fun teaching and learning about electrostatics can be.
This post was posted in CoolStuff Newsletters, Electricity, Electrostatics, Energy, Light & Color
Posted on October 2, 2012 by Buzz Putnam
It was 8:45 AM in Florence and I was waiting for one of the highlights of my 2012 Italian family vacation the chance to see the original creations for one of the greatest minds of the 17th century, Galileo. Take a tour of the Galileo Museum with me and see the classic Physics demos as they were in the 1600's.
This post was posted in CoolStuff Newsletters, Force & Motion, Electrostatics, Energy, Magnetism, Measurement and was tagged with Galileo, Italy, Florence, Galileo Galilee, Museo Galileo